{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280069793",
    "entityType": "User",
    "nonce": "0x81e1ecbabc1d8b3a95f0344150f5c3363bf99bc4cf7ee31e56daa15de5fd6cd3",
    "signature": "0x10e6fc0b1919bb931ea7d956a9322f67d71a8e55df80f4a9cede4472db01c1a608677e97cbe679d7bf355b4278f461d8a78605a78223f6f24932f298d47c38a71b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}